Several manufacturing companies in the USA are known for their Resistance Temperature Detectors (RTDs), and other temperature-sensing equipment. These manufacturing facilities often serve a wide range of industries including aerospace, automotive, and more.

Top 10 RTD Manufacturers in the USA

When looking for RTD manufacturers in the USA, it’s important to consider factors such as the specific type of RTD needed, industry requirements, customization options, and certifications. 

We have curated a list of the top 10 RTD manufacturers in the USA for consumers, suppliers, and distributors.  

Conax Technologies 

Conax Technologies was established in 1950, in Buffalo, New York. The company’s product range includes- compression seal fittings, Temperature Sensors (RTDs and thermocouple cables), and harness assemblies. They are among the lead solution providers in the field of aerospace, liquid natural gas, power, petrochemical industry, photovoltaic industry, Powergen, semiconductor industry, and more. They have expertise in developing standard and custom-designed compression seal fittings, temperature sensors, and cable harness assemblies.

Kelvin Technologies

Started in 2000, Kelvin Technologies specializes in services like calibration, extruder rebuilds, and custom-engineered assemblies. The company is targeting the following industries – aerospace, medical, industrial machinery, plastics, transportation, security, semiconductor, etc. Their product portfolio includes- temperature sensors (thermocouples, RTDs), heaters, wiring harnesses, temperature controls, relays, and, accessories. 

Sensata Technologies

Serving the electronic industry for the last 100 years, Sensata Technologies holds vast experience in providing solutions for Electrification, Electric Aircraft, and Advanced Air Mobility. The company has expanded its business in over 16 countries, with a whopping USD 1.1 billion units shipped per year. As per reports, they generated a revenue of USD 4 billion in 2022. Sensata provides products in various segments like- pressure sensors, relays, force sensors, motor protectors, circuit breakers, inverters and chargers, temperature, motors, actuators, etc. The company’s industrial footprints include- automotive, aerospace and defense, marine, telecom, energy, construction, material handling, medical, agriculture, HVAC, motorcycle and RV, etc. 

Ashcroft, Inc.

Ashcroft Inc. was established in 1852 and is a pioneer of pressure and temperature instrumentation. Within process industry solutions they cater to process markets like – chemical, food and beverage, metals and minerals, oil and gas, pharma and biotech, power, water, and wastewater. In the last 100+ years of its existence, the company has spread its wings in industrial markets including- HVAC/R, Industrial Equipment Manufacturing, Medical Health and Safety, Semiconductor, and Vehicles. Their range of product lines includes- Pressure gauges, calibrations, thermowell, RTDs, temperature switches, thermocouples, hydraulic testers, test gauges, etc. 

Thermo Electric Company, Inc.

Established in 1941 in Saddle Brook, New Jersey, Thermo Electric has been providing temperature measurement and control solutions for the last 70+ years. The company is equipped to serve the following solutions- immersion, industrial, surface mount, wafers, accessories, etc. and their services include- calibration, testing, engineering, and site services. With more than 20+ million sensors installed, Thermo’s clientele includes- B&W, Applied Materials, Boeing, Ford, Siemens, etc. 

Temperature Specialists

Temperature Specialists was founded in 1977 and are among the major manufacturers of temperature sensors and equipment in the USA. The company specializes in manufacturing a wide range of temperature sensors and related products for various applications. Their products include- RTDs, thermocouples, thermowell, electrical connection heads, melt bolt assemblies, nozzle temperature sensors, molded handle probes, and thermistors. Their products are widely used in home appliances, automotive, medical, and electronics.

Thermo Sensors Corporation

Thermo Sensors, founded in 1972, is a major manufacturer and supplier, that specializes in high-tech thermocouples and RTD assemblies. The company caters to a diverse range of industries, including chemical, petrochemical, refining, food, pharmaceutical, power, and environmental sectors. The products they manufacture and supply include- MGO thermocouples, Industrial Thermocouples (E, J, K, N, T, R, S, and B), RTDs, Wires, and accessories. The industries they serve highlight the critical nature of accurate temperature measurement and control in processes that involve chemicals, petrochemicals, food production, pharmaceuticals, power generation, and environmental monitoring. 

Thermalogic Corporation

Thermalogic, established in 1971, has over 50 years of experience in designing and manufacturing temperature, humidity, and process control systems and equipment. Their expertise also extends to temperature sensor assemblies and temperature and humidity transmitters. They are at the forefront of incorporating cutting-edge technologies like the Internet of Things (IoT) and internet-enables controls and transmitters into their products. The industries they serve include- environmental equipment, liquid chillers, industrial HVAC, heat treatment equipment, food processing equipment, military HVAC, medical, lab and testing equipment, semiconductor processing equipment, and industrial ovens. Thermalogic’s focus on integrating IoT technology suggests they are leveraging connectivity to provide advanced monitoring, control, and data insights to their clients. This can lead to improved efficiency, remote monitoring capabilities, and enhanced automation in the industries they serve. 

Pyromation

Pyromation, established in 1962, has major experience in providing temperature measurement solutions. As an ISO-9001 accredited company, they prioritize quality in their products and services. Additionally, their onsite NVLAP-accredited metrology laboratory suggests a commitment to accurate calibration and measurement practices. Pyromation’s product catalog includes a variety of temperature-related products like- RTDSs, thermowell, thermocouples, transmitters, connection heads, wires, and accessories. The company’s diverse range of products caters to various industries- aerospace, food and beverage, dairy, pharmaceuticals, metal processing, biomass, water and wastewater, chemical, mining, energy, and power. 

Watlow

Watlow has over 100 years of experience in numerous industries like- semiconductor processing, clean environment technology, energy generation, diesel emission, and medical and food service equipment. The company’s wide-ranging product line includes – Heaters (air heaters, cartridge, circulation heaters, fluid delivery heaters, etc.), Controllers (temperature and process controllers, power controllers, data loggers, integrated multi-function controllers, indicators, scanners, operator interfaces, mobile applications, etc.), and sensors (thermocouple, RTDs, temperature sensors). Watlow has over 1000 patents, 12 world-class manufacturing facilities, 5 advanced technology and development centres, and sales coverage in over 178 countries.

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